import {TagTypes} from "../tag";
import {NumberUtils} from "../utils";

/**
 * This class contains settings related to AVI file operations. Open files will need to be re-read
 * in order for changes to take effect.
 */
export default class AviFileSettings {
    /**
     * The types of tags that are supported by AVI files.
     */
    public static readonly SUPPORTED_TAG_TYPES = TagTypes.DivX | TagTypes.Id3v2 | TagTypes.RiffInfo | TagTypes.MovieId;

    private static _defaultTagTypes = AviFileSettings.SUPPORTED_TAG_TYPES;

    /**
     * Gets the default types of tags for an AVI file. When opening a file, if these tag types do
     * not exist on the file, they will be created.
     */
    public static get defaultTagTypes(): TagTypes { return this._defaultTagTypes; }

    /**
     * Sets the default types of tags for an AVI file. When opening a file, if these tag types do
     * not exist on the file, they will be created. See {@link SUPPORTED_TAG_TYPES} for a list of tag
     * types that are supported by node-taglib-sharp for AVI files.
     */
    public static set defaultTagTypes(value: TagTypes) {
        const unsupportedTagTypes = NumberUtils.uintAnd(value, ~this.SUPPORTED_TAG_TYPES);
        if (unsupportedTagTypes !== 0) {
            throw new Error(
                `Argument error: node-taglib-sharp does not support tag types ${unsupportedTagTypes} for AVI files`
            );
        }

        this._defaultTagTypes = value;
    }
}